【正文】 ................................16 第 3 章 項(xiàng)目架構(gòu)設(shè)計(jì) ..............................................................................................17 總體設(shè)計(jì) ............................................................................................................17 架構(gòu)分解 ............................................................................................................17 框架 .............................................................................................................18 公共庫(kù) .........................................................................................................20 應(yīng)用層接口 .................................................................................................24 組件 .............................................................................................................26 浙江大學(xué)碩士學(xué)位論文 目錄 II 本章小結(jié) ............................................................................................................29 第 4 章 基于 平臺(tái)設(shè)計(jì) .............................................................................30 平臺(tái)概述 .............................................................................................30 第三方庫(kù)的使用 ................................................................................................31 GIS 組件分解 ......................................................................................................32 BasicMath 組件 ...........................................................................................32 FileLoader 組件 ............................................................................................33 Geometry 組件 .............................................................................................34 DataSrc_Spatial 組件 ...................................................................................34 Projection 組件 ............................................................................................36 RGImage 組件 ..............................................................................................38 DMapObject 組件 ........................................................................................39 人員分配 ............................................................................................................40 本章小結(jié) ............................................................................................................41 第 5 章 項(xiàng) 目功能實(shí)現(xiàn) ..............................................................................................42 柵格數(shù)據(jù)解析 ....................................................................................................42 地圖坐標(biāo)轉(zhuǎn)換 ....................................................................................................44 對(duì)于使用 WGS84 坐標(biāo)的地圖 ..................................................................44 對(duì)于使用 UTM 的投影的地圖 ..................................................................46 對(duì)于使用非 UTM 的投影的地圖 ..............................................................48 地形紋理背景圖生成 ........................................................................................48 地圖 Dem數(shù)據(jù)檢索 ...........................................................................................50 邊界的處理： .............................................................................................51 插值中有無(wú)效點(diǎn) .........................................................................................51 鏈路線上取點(diǎn) .............................................................................................51 矢量數(shù)據(jù)解析 ....................................................................................................52 地圖屬性 .....................................................................................................52 存取模式 .....................................................................................................52 數(shù)據(jù)處理 .....................................................................................................54 本章小結(jié) ............................................................................................................56 第 6 章 項(xiàng)目性能優(yōu)化 ..............................................................................................57 使用 TIFF 存儲(chǔ) ..................................................................................................57 柵格金字塔 ........................................................................................................57 數(shù)據(jù)緩沖區(qū) ........................................................................................................58 預(yù)制顏色表 ........................................................................................................59 本章小結(jié) ............................................................................................................59 第 7 章 項(xiàng)目測(cè)試 ......................................................................................................60 總體質(zhì)量評(píng)價(jià) ....................................................................................................60 各維度質(zhì)量評(píng)價(jià) ................................................................................................62 特性功能評(píng)價(jià) .............................................................................................62 浙江大學(xué)碩士學(xué)位論文 目錄 III 可靠性評(píng)價(jià) .................................................................................................62 穩(wěn)定性評(píng)價(jià) .................................................................................................63 性能評(píng)價(jià) .....................................................................................................63 缺陷分 析 ............................................................................................................64 按問(wèn)題嚴(yán)重程度分析 ...........................................................